Finding the Third Proportional to 515,460 and 1,045,416

Step by Step Solution

1. Step 1: Write the proportion equation
   515,460 : 1,045,416 = 1,045,416 : x
2. Step 2: Convert to fraction form
   515,460/1,045,416 = 1,045,416/x
3. Step 3: Cross multiply
   515,460x = 1,045,416 × 1,045,416
4. Step 4: Simplify right side
   515,460x = 1,092,894,613,056
5. Step 5: Solve for x
   x = 1,092,894,613,056/515,460
6. Step 6: Final answer
   x = 2,120,231.66